JPH0122003B2 - - Google Patents

Info

Publication number
JPH0122003B2
JPH0122003B2 JP54132739A JP13273979A JPH0122003B2 JP H0122003 B2 JPH0122003 B2 JP H0122003B2 JP 54132739 A JP54132739 A JP 54132739A JP 13273979 A JP13273979 A JP 13273979A JP H0122003 B2 JPH0122003 B2 JP H0122003B2
Authority
JP
Japan
Prior art keywords
hollow fiber
pores
solution
polyvinylidene fluoride
membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP54132739A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5656202A (en
Inventor
Takashi Nomi
Takao Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15088456&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0122003(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP13273979A priority Critical patent/JPS5656202A/ja
Priority to PCT/JP1980/000102 priority patent/WO1981000969A1/ja
Priority to AT80900913T priority patent/ATE7270T1/de
Priority to DE8080900913T priority patent/DE3067672D1/de
Priority to US06/276,366 priority patent/US4399035A/en
Priority to EP80900913A priority patent/EP0037836B2/en
Publication of JPS5656202A publication Critical patent/JPS5656202A/ja
Publication of JPH0122003B2 publication Critical patent/JPH0122003B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B01D69/082—Hollow fibre membranes characterised by the cross-sectional shape of the fibre
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP13273979A 1979-10-15 1979-10-15 Hollow porous membrane yarn made of polyvinylidene fluoride type resin Granted JPS5656202A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP13273979A JPS5656202A (en) 1979-10-15 1979-10-15 Hollow porous membrane yarn made of polyvinylidene fluoride type resin
PCT/JP1980/000102 WO1981000969A1 (en) 1979-10-15 1980-05-13 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same
AT80900913T ATE7270T1 (de) 1979-10-15 1980-05-13 Hohlfaser-mikrofilter aus polyvinylidenfluoridharz und verfahren zu seiner herstellung.
DE8080900913T DE3067672D1 (en) 1979-10-15 1980-05-13 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same
US06/276,366 US4399035A (en) 1979-10-15 1980-05-13 Polyvinylidene fluoride type resin hollow filament microfilter and process for producing the same
EP80900913A EP0037836B2 (en) 1979-10-15 1981-04-21 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13273979A JPS5656202A (en) 1979-10-15 1979-10-15 Hollow porous membrane yarn made of polyvinylidene fluoride type resin

Publications (2)

Publication Number Publication Date
JPS5656202A JPS5656202A (en) 1981-05-18
JPH0122003B2 true JPH0122003B2 (US06272168-20010807-M00014.png) 1989-04-25

Family

ID=15088456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13273979A Granted JPS5656202A (en) 1979-10-15 1979-10-15 Hollow porous membrane yarn made of polyvinylidene fluoride type resin

Country Status (5)

Country Link
US (1) US4399035A (US06272168-20010807-M00014.png)
EP (1) EP0037836B2 (US06272168-20010807-M00014.png)
JP (1) JPS5656202A (US06272168-20010807-M00014.png)
DE (1) DE3067672D1 (US06272168-20010807-M00014.png)
WO (1) WO1981000969A1 (US06272168-20010807-M00014.png)

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WO2012074222A2 (ko) 2010-12-01 2012-06-07 엘지전자 주식회사 셀룰로오스계 수지를 이용한 수처리용 중공사막의 제조방법
US8205754B2 (en) 2006-07-25 2012-06-26 Toray Industries, Inc. Fluororesin polymer separation membrane and process for producing the same
WO2014038187A1 (ja) 2012-09-04 2014-03-13 日東電工株式会社 分離膜、複合分離膜及び分離膜の製造方法
US9901883B2 (en) 2014-12-26 2018-02-27 Toray Industries, Inc. Porous hollow fiber membrane
US10702834B2 (en) 2014-07-07 2020-07-07 Toray Industries, Inc. Separation membrane and method for producing same
US11058996B2 (en) 2016-02-25 2021-07-13 Toray Industries, Inc. Porous hollow fiber membrane

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Cited By (6)

* Cited by examiner, † Cited by third party
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US8205754B2 (en) 2006-07-25 2012-06-26 Toray Industries, Inc. Fluororesin polymer separation membrane and process for producing the same
WO2012074222A2 (ko) 2010-12-01 2012-06-07 엘지전자 주식회사 셀룰로오스계 수지를 이용한 수처리용 중공사막의 제조방법
WO2014038187A1 (ja) 2012-09-04 2014-03-13 日東電工株式会社 分離膜、複合分離膜及び分離膜の製造方法
US10702834B2 (en) 2014-07-07 2020-07-07 Toray Industries, Inc. Separation membrane and method for producing same
US9901883B2 (en) 2014-12-26 2018-02-27 Toray Industries, Inc. Porous hollow fiber membrane
US11058996B2 (en) 2016-02-25 2021-07-13 Toray Industries, Inc. Porous hollow fiber membrane

Also Published As

Publication number Publication date
US4399035A (en) 1983-08-16
EP0037836A4 (en) 1982-01-26
WO1981000969A1 (en) 1981-04-16
JPS5656202A (en) 1981-05-18
DE3067672D1 (en) 1984-06-07
EP0037836B2 (en) 1988-08-10
EP0037836B1 (en) 1984-05-02
EP0037836A1 (en) 1981-10-21

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